WY DMV Alcohol and Drug Laws 1 — Questions and Answers
Question 1: What is the legal blood alcohol concentration (BAC) limit for drivers age 21 and older in Wyoming?
- 0.04%
- 0.06%
- 0.08% (Correct answer)
- 0.10%
Correct answer: 0.08%
In Wyoming, it is illegal per se to drive with a BAC of 0.08% or higher for drivers 21 and older.
Question 2: Under Wyoming's zero tolerance law, what BAC level makes it illegal for a driver under age 21 to operate a vehicle?
- 0.08%
- 0.04%
- 0.02% (Correct answer)
- 0.00%
Correct answer: 0.02%
Wyoming's zero tolerance law sets the BAC limit at 0.02% for drivers under 21, meaning any detectable alcohol can result in a DUI charge.
Question 3: What is the BAC limit for commercial driver's license (CDL) holders operating a commercial motor vehicle in Wyoming?
- 0.08%
- 0.04% (Correct answer)
- 0.02%
- 0.06%
Correct answer: 0.04%
CDL holders are held to a stricter standard and are considered legally impaired at a BAC of 0.04% while operating a commercial vehicle.
Question 4: Wyoming's implied consent law means that by driving on Wyoming roads, you have automatically agreed to:
- Pay higher insurance premiums
- Submit to a chemical test if lawfully arrested for DUI (Correct answer)
- Allow officers to search your vehicle at any time
- Carry a breath test device in your vehicle
Correct answer: Submit to a chemical test if lawfully arrested for DUI
Implied consent means drivers implicitly agree to chemical testing (breath, blood, or urine) as a condition of using Wyoming's roads.
Question 5: If you refuse to submit to a chemical test after a lawful DUI arrest in Wyoming, your driver's license will be administratively suspended for how long on a first refusal?
- 30 days
- 60 days
- 90 days (Correct answer)
- 180 days
Correct answer: 90 days
A first-time refusal to take a chemical test under Wyoming's implied consent law results in a 90-day administrative license suspension.
Question 6: In Wyoming, where is it illegal to have an open container of alcohol in a motor vehicle?
- Only in the trunk
- Only in the glove compartment
- In the passenger compartment of the vehicle (Correct answer)
- Only in cup holders
Correct answer: In the passenger compartment of the vehicle
Wyoming law prohibits open containers of alcohol in the passenger area of a vehicle while it is on a public highway.
Question 7: Which of the following substances, other than alcohol, can result in a DUI charge in Wyoming?
- Prescription medications that impair driving (Correct answer)
- Caffeine in large amounts
- Over-the-counter vitamins
- Energy drinks
Correct answer: Prescription medications that impair driving
Wyoming law prohibits driving while under the influence of any substance that impairs your ability to drive safely, including prescription medications.
WY DMV Alcohol and Drug Laws 1
What is the legal blood alcohol concentration (BAC) limit for drivers age 21 and older in Wyoming?